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A Writer's Dictionary:

OR Definition


Dictionary Home » Words Starting with O » opportunistic ... oral history » OR


operational research
operations research
noun
    1. The analysis of problems in business and industry in order to bring about more efficient work practices.
Etymology: 1940s.




OR
abbreviation
    1. Operational research; operations research.
    2. US state.
      Oregon. Also written Ore or Oreg.
    3. military.
      Other ranks.



or1
conj
    1. Used to introduce: alternatives.
      Example: red or pink or blue
    2. Used to introduce: a synonym or explanation.
      Example: a puppy or young dog
    3. Used to introduce: an afterthought
      Example: She's laughing ― or is she crying?
    4. Used to introduce: the second part of an indirect question.
      Example: Ask her whether she thinks he'll come or not
    5. Used to introduce: because if not; or else.
      Example: Run or you'll be late
    6. Used to introduce: and not.
      Example: never joins in or helps
Idiom: or else
    Otherwise.
    colloq
    Expressing a threat or warning
      Example: Give it to me or else!
Idiom: or rather
    Or to be more accurate.
      Example: He went too, or rather I heard he did
Idiom: or so
    About; roughly.
      Example: been there two hours or so
      Thesaurus: approximately, roughly, practically, about.
Etymology: 13c: a contraction of other.




or2
noun
    1. heraldry.
      A gold colour.
Etymology: 16c: French, from Latin aurum gold.




other ranks
plural noun
    (chiefly Brit)
    1. Members of the armed services who do not hold a commissioned rank.


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